Quem de Nós?

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BX4TA2000119
CopyrightID (CopyrightChains transaction hash)
0x9789caa55a8b4f823fd814b2765f075190a22229d756bf1050af5f15e2d783a8
Copyright registration time
2026-06-22T07:46:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:44f258cda1c1d1b45dca9f1694e139c4b3d3c59494f33718b08d9a6270509e07

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.